return {
    "lewis6991/gitsigns.nvim", -- 左则git提示
    version = "*",
    opts = {
        signs = {
            add = { text = '+' },
            change = { text = '~' },
            delete = { text = '_' },
            topdelete = { text = '‾' },
            changedelete = { text = '~' },
        },
    }   --opts
} --return 
